Solve the problem.A searchlight is shaped like a parabola. If the light source is located 5 feet from the base along the axis of symmetry and the opening is 8 feet across, how deep should the searchlight be?
A. 1.6 ft
B. 4 ft
C. 0.8 ft
D. 3.2 ft
Answer: C
Mathematics
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Find the requested partial derivative.(?w/?y)x at 
= 
if 
and 
A. 11 B. 6 C. 4 D. 1
Mathematics
Find the median.The distances traveled (in miles) to 7 different swim meets are given below:11, 19, 40, 54, 64, 73, 84Find the median distance traveled.
A. 49 miles B. 40 miles C. 64 miles D. 54 miles
Mathematics
Simplify. Write your answer in the form a + bi, where a and b are real numbers.(7 - 3i) + (1 + 6i)
A. -8 - 3i B. 8 - 3i C. -8 + 3i D. 8 + 3i
Mathematics
Evaluate the expression x + y for the given values of the variables.x = -3, y = -12
A. 9 B. 15 C. -15 D. -9
Mathematics